The relationship between isokinetic open and closed chain lower extremity strength and functional performance

    Authors

    R. Negrete;J. Brophy

    Comments

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    Abbreviated Journal Title

    J. Sport Rehabil.

    Keywords

    isokinetic testing; functional testing; ANTERIOR CRUCIATE LIGAMENT; VERTICAL JUMP PERFORMANCE; LIMB SYMMETRY; REHABILITATION; TESTS; RECONSTRUCTION; RELIABILITY; EXERCISE; RUPTURE; Rehabilitation; Sport Sciences

    Abstract

    Objectives: To determine (1) correlations between isokinetic lower extremity strength and functional performance and (2) correlations among different modes of isokinetic testing. Design and Setting: A correlational design with 6 measures. A series of strength, power, and agility tests was performed at a hospital-based outpatient physical therapy clinic. Participants: A volunteer sample of 29 male and 31 female, college-age subjects participated. Measurements: All subjects were tested in the following isokinetic tests: reciprocal leg press, single-leg squat, and knee extension. Performance tests included single-leg hop and vertical jump and a speed/agility test. Results: Analysis showed isokinetic knee extension, leg press, and single-leg squat strength significantly correlated to all functional tests. There were significant correlations among the 3 different isokinetic strength measures, as well. Conclusions: These results suggest a significant relationship between lower extremity open and closed chain isokinetic strength and functional performance testing.

    Journal Title

    Journal of Sport Rehabilitation

    Volume

    9

    Issue/Number

    1

    Publication Date

    1-1-2000

    Document Type

    Article

    Language

    English

    First Page

    46

    Last Page

    61

    WOS Identifier

    WOS:000085473400005

    ISSN

    1056-6716

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